raise RuntimeError('Set affinity failed on {0}'.format(
self._node['host']))
+ def qemu_set_scheduler_policy(self):
+ """Set scheduler policy to SCHED_RR with priority 1 for all Qemu CPU
+ processes.
+
+ :raises RuntimeError: Set scheduler policy failed.
+ """
+ qemu_cpus = self._qemu_qmp_exec('query-cpus')['return']
+
+ for qemu_cpu in qemu_cpus:
+ cmd = 'chrt -r -p 1 {0}'.format(qemu_cpu['thread_id'])
+ (ret_code, _, stderr) = self._ssh.exec_command_sudo(cmd)
+ if int(ret_code) != 0:
+ logger.debug('Set SCHED_RR failed {0}'.format(stderr))
+ raise RuntimeError('Set SCHED_RR failed on {0}'.format(
+ self._node['host']))
+
def qemu_set_node(self, node):
"""Set node to run QEMU on.
| | Run keyword | ${vm_name}.Qemu Set Disk Image | ${glob_vm_image}
| | ${vm}= | Run keyword | ${vm_name}.Qemu Start
| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7
+| | Run keyword | ${vm_name}.Qemu Set Scheduler Policy
| | Dpdk Testpmd Start | ${vm} | eal_coremask=0x7
| | ... | eal_mem_channels=4
| | ... | pmd_fwd_mode=io
| | Run keyword | ${vm_name}.Qemu Set Disk Image | ${glob_vm_image}
| | ${vm}= | Run keyword | ${vm_name}.Qemu Start
| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7
+| | Run keyword | ${vm_name}.Qemu Set Scheduler Policy
| | Dpdk Testpmd Start | ${vm} | eal_coremask=0x7
| | ... | eal_mem_channels=4
| | ... | pmd_fwd_mode=mac
| | Run keyword | ${vm_name}.Qemu Set Disk Image | ${glob_vm_image}
| | ${vm}= | Run keyword | ${vm_name}.Qemu Start
| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7
+| | Run keyword | ${vm_name}.Qemu Set Scheduler Policy
| | ${br}= | Set Variable | br0
| | ${vhost1}= | Get Vhost User If Name By Sock | ${vm} | ${sock1}
| | ${vhost2}= | Get Vhost User If Name By Sock | ${vm} | ${sock2}